EF & E-Series, SANtricity, and Related Plug-ins

Data assurance (T10Pi) performance impacts

Bugs
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Is there a performance impact on volumes which have data assurance enabled? If there is a performance impact, how much is the performance impact. 

 

I am seeing poor performance with RAID6 (8+2) LUNS accessed through fibre channel. 

 

For each E5700 with 210 drives I am seeing close to 6GB/sec reads. Request size is 8MB and application is GPFS. 

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